Home / 3,994.26-5,512.90-2,649.95

Finding the Fourth Proportional to 3,994.26, 5,512.90 and 2,649.95

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Solution

The fourth proportional to 3,994.26, 5,512.90 and 2,649.95 is: 3,657.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.26 : 5,512.90 = 2,649.95 : x
  2. Step 2: Convert to fraction form
    3,994.26/5,512.90 = 2,649.95/x
  3. Step 3: Cross multiply
    3,994.26x = 5,512.90 × 2,649.95
  4. Step 4: Simplify right side
    3,994.26x = 14,608,900.81
  5. Step 5: Solve for x
    x = 14,608,900.81/3,994.26
  6. Step 6: Final answer
    x = 3,657.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.